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src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/BasicType.java
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@@ -22,137 +22,163 @@
*
*/
package sun.jvm.hotspot.runtime;
+import java.util.Observer;
+import sun.jvm.hotspot.types.TypeDataBase;
+
+
/** Encapsulates the BasicType enum in globalDefinitions.hpp in the
VM. */
public class BasicType {
- public static final int tBoolean = 4;
- public static final int tChar = 5;
- public static final int tFloat = 6;
- public static final int tDouble = 7;
- public static final int tByte = 8;
- public static final int tShort = 9;
- public static final int tInt = 10;
- public static final int tLong = 11;
- public static final int tObject = 12;
- public static final int tArray = 13;
- public static final int tVoid = 14;
- public static final int tAddress = 15;
- public static final int tNarrowOop = 16;
- public static final int tMetadata = 17;
- public static final int tNarrowKlass = 18;
- public static final int tConflict = 19;
- public static final int tIllegal = 99;
-
- public static final BasicType T_BOOLEAN = new BasicType(tBoolean);
- public static final BasicType T_CHAR = new BasicType(tChar);
- public static final BasicType T_FLOAT = new BasicType(tFloat);
- public static final BasicType T_DOUBLE = new BasicType(tDouble);
- public static final BasicType T_BYTE = new BasicType(tByte);
- public static final BasicType T_SHORT = new BasicType(tShort);
- public static final BasicType T_INT = new BasicType(tInt);
- public static final BasicType T_LONG = new BasicType(tLong);
- public static final BasicType T_OBJECT = new BasicType(tObject);
- public static final BasicType T_ARRAY = new BasicType(tArray);
- public static final BasicType T_VOID = new BasicType(tVoid);
- public static final BasicType T_ADDRESS = new BasicType(tAddress);
- public static final BasicType T_NARROWOOP = new BasicType(tNarrowOop);
- public static final BasicType T_METADATA = new BasicType(tMetadata);
- public static final BasicType T_NARROWKLASS = new BasicType(tNarrowKlass);
- public static final BasicType T_CONFLICT = new BasicType(tConflict);
- public static final BasicType T_ILLEGAL = new BasicType(tIllegal);
+ public static final BasicType T_BOOLEAN = new BasicType();
+ public static final BasicType T_CHAR = new BasicType();
+ public static final BasicType T_FLOAT = new BasicType();
+ public static final BasicType T_DOUBLE = new BasicType();
+ public static final BasicType T_BYTE = new BasicType();
+ public static final BasicType T_SHORT = new BasicType();
+ public static final BasicType T_INT = new BasicType();
+ public static final BasicType T_LONG = new BasicType();
+ public static final BasicType T_OBJECT = new BasicType();
+ public static final BasicType T_ARRAY = new BasicType();
+ public static final BasicType T_VOID = new BasicType();
+ public static final BasicType T_ADDRESS = new BasicType();
+ public static final BasicType T_NARROWOOP = new BasicType();
+ public static final BasicType T_METADATA = new BasicType();
+ public static final BasicType T_NARROWKLASS = new BasicType();
+ public static final BasicType T_CONFLICT = new BasicType();
+ public static final BasicType T_ILLEGAL = new BasicType();
+
+ static {
+ VM.registerVMInitializedObserver(
+ (o, d) -> initialize(VM.getVM().getTypeDataBase()));
+ }
+
+ private static synchronized void initialize(TypeDataBase db) {
+ T_BOOLEAN.setType(db.lookupIntConstant("T_BOOLEAN").intValue());
+ T_CHAR.setType(db.lookupIntConstant("T_CHAR").intValue());
+ T_FLOAT.setType(db.lookupIntConstant("T_FLOAT").intValue());
+ T_DOUBLE.setType(db.lookupIntConstant("T_DOUBLE").intValue());
+ T_BYTE.setType(db.lookupIntConstant("T_BYTE").intValue());
+ T_SHORT.setType(db.lookupIntConstant("T_SHORT").intValue());
+ T_INT.setType(db.lookupIntConstant("T_INT").intValue());
+ T_LONG.setType(db.lookupIntConstant("T_LONG").intValue());
+ T_OBJECT.setType(db.lookupIntConstant("T_OBJECT").intValue());
+ T_ARRAY.setType(db.lookupIntConstant("T_ARRAY").intValue());
+ T_VOID.setType(db.lookupIntConstant("T_VOID").intValue());
+ T_ADDRESS.setType(db.lookupIntConstant("T_ADDRESS").intValue());
+ T_NARROWOOP.setType(db.lookupIntConstant("T_NARROWOOP").intValue());
+ T_METADATA.setType(db.lookupIntConstant("T_METADATA").intValue());
+ T_NARROWKLASS.setType(db.lookupIntConstant("T_NARROWKLASS").intValue());
+ T_CONFLICT.setType(db.lookupIntConstant("T_CONFLICT").intValue());
+ T_ILLEGAL.setType(db.lookupIntConstant("T_ILLEGAL").intValue());
+ }
public static int getTBoolean() {
- return tBoolean;
+ return T_BOOLEAN.getType();
}
public static int getTChar() {
- return tChar;
+ return T_CHAR.getType();
}
public static int getTFloat() {
- return tFloat;
+ return T_FLOAT.getType();
}
public static int getTDouble() {
- return tDouble;
+ return T_DOUBLE.getType();
}
public static int getTByte() {
- return tByte;
+ return T_BYTE.getType();
}
public static int getTShort() {
- return tShort;
+ return T_SHORT.getType();
}
public static int getTInt() {
- return tInt;
+ return T_INT.getType();
}
public static int getTLong() {
- return tLong;
+ return T_LONG.getType();
}
public static int getTObject() {
- return tObject;
+ return T_OBJECT.getType();
}
public static int getTArray() {
- return tArray;
+ return T_ARRAY.getType();
}
public static int getTVoid() {
- return tVoid;
+ return T_VOID.getType();
}
public static int getTAddress() {
- return tAddress;
+ return T_ADDRESS.getType();
}
public static int getTNarrowOop() {
- return tNarrowOop;
+ return T_NARROWOOP.getType();
}
public static int getTMetadata() {
- return tMetadata;
+ return T_METADATA.getType();
}
public static int getTNarrowKlass() {
- return tNarrowKlass;
+ return T_NARROWKLASS.getType();
}
/** For stack value type with conflicting contents */
public static int getTConflict() {
- return tConflict;
+ return T_CONFLICT.getType();
}
public static int getTIllegal() {
- return tIllegal;
+ return T_ILLEGAL.getType();
}
public static BasicType intToBasicType(int i) {
- switch(i) {
- case tBoolean: return T_BOOLEAN;
- case tChar: return T_CHAR;
- case tFloat: return T_FLOAT;
- case tDouble: return T_DOUBLE;
- case tByte: return T_BYTE;
- case tShort: return T_SHORT;
- case tInt: return T_INT;
- case tLong: return T_LONG;
- case tObject: return T_OBJECT;
- case tArray: return T_ARRAY;
- case tVoid: return T_VOID;
- case tAddress: return T_ADDRESS;
- case tNarrowOop: return T_NARROWOOP;
- case tMetadata: return T_METADATA;
- case tNarrowKlass: return T_NARROWKLASS;
- default: return T_ILLEGAL;
+ if (i == T_BOOLEAN.getType()) {
+ return T_BOOLEAN;
+ } else if (i == T_CHAR.getType()) {
+ return T_CHAR;
+ } else if (i == T_FLOAT.getType()) {
+ return T_FLOAT;
+ } else if (i == T_DOUBLE.getType()) {
+ return T_DOUBLE;
+ } else if (i == T_BYTE.getType()) {
+ return T_BYTE;
+ } else if (i == T_SHORT.getType()) {
+ return T_SHORT;
+ } else if (i == T_INT.getType()) {
+ return T_INT;
+ } else if (i == T_LONG.getType()) {
+ return T_LONG;
+ } else if (i == T_OBJECT.getType()) {
+ return T_OBJECT;
+ } else if (i == T_ARRAY.getType()) {
+ return T_ARRAY;
+ } else if (i == T_VOID.getType()) {
+ return T_VOID;
+ } else if (i == T_ADDRESS.getType()) {
+ return T_ADDRESS;
+ } else if (i == T_NARROWOOP.getType()) {
+ return T_NARROWOOP;
+ } else if (i == T_METADATA.getType()) {
+ return T_METADATA;
+ } else if (i == T_NARROWKLASS.getType()) {
+ return T_NARROWKLASS;
+ } else {
+ return T_ILLEGAL;
}
}
public static BasicType charToBasicType(char c) {
switch( c ) {
@@ -173,38 +199,57 @@
public static int charToType(char c) {
return charToBasicType(c).getType();
}
+ private void setType(int type) {
+ this.type = type;
+ }
+
public int getType() {
return type;
}
public String getName() {
- switch (type) {
- case tBoolean: return "boolean";
- case tChar: return "char";
- case tFloat: return "float";
- case tDouble: return "double";
- case tByte: return "byte";
- case tShort: return "short";
- case tInt: return "int";
- case tLong: return "long";
- case tObject: return "object";
- case tArray: return "array";
- case tVoid: return "void";
- case tAddress: return "address";
- case tNarrowOop: return "narrow oop";
- case tMetadata: return "metadata";
- case tNarrowKlass: return "narrow klass";
- case tConflict: return "conflict";
- default: return "ILLEGAL TYPE";
+ if (type == T_BOOLEAN.getType()) {
+ return "boolean";
+ } else if (type == T_CHAR.getType()) {
+ return "char";
+ } else if (type == T_FLOAT.getType()) {
+ return "float";
+ } else if (type == T_DOUBLE.getType()) {
+ return "double";
+ } else if (type == T_BYTE.getType()) {
+ return "byte";
+ } else if (type == T_SHORT.getType()) {
+ return "short";
+ } else if (type == T_INT.getType()) {
+ return "int";
+ } else if (type == T_LONG.getType()) {
+ return "long";
+ } else if (type == T_OBJECT.getType()) {
+ return "object";
+ } else if (type == T_ARRAY.getType()) {
+ return "array";
+ } else if (type == T_VOID.getType()) {
+ return "void";
+ } else if (type == T_ADDRESS.getType()) {
+ return "address";
+ } else if (type == T_NARROWOOP.getType()) {
+ return "narrow oop";
+ } else if (type == T_METADATA.getType()) {
+ return "metadata";
+ } else if (type == T_NARROWKLASS.getType()) {
+ return "narrow klass";
+ } else if (type == T_CONFLICT.getType()) {
+ return "conflict";
+ } else {
+ return "ILLEGAL TYPE";
}
}
//-- Internals only below this point
- private BasicType(int type) {
- this.type = type;
+ private BasicType() {
}
private int type;
}
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